The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and b

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问题     The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, e-commerce does not 【C1】______ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier 【C2】______ fax. E-commerce follows the same model 【C3】______ in other business transactions; the difference 【C4】______ in the details.
    To a consumer, the most visible form of e-commerce consists 【C5】______ online ordering. A customer begins with a catalog of possible items,【C6】______an item, arranges a form of payment, and【C7】______an order. Instead of a physical catalog, e-commerce arranges for catalogs to be 【C8】______ on the Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be sent【C9】______a computer network. Finally, instead of sending a paper representation of payment such as a check, e-commerce【C10】______one to send payment information electronically.
    In the decade【C11】______1993, e-commerce grew from an【C12】______novelty to a mainstream business influence. In 1993, few【C13】______had a web page, and【C14】______a handful allowed one to order products or services onlinl Ten years【C15】______, both large and small businesses had web pages, and most【C16】______users with the opportunity to place an order.【C17】______, many banks added online access,【C18】______online banking and bill paying became【C19】______. More importantly, the value of goods and services【C20】______over the Internet grew dramatically after 1997.
【C11】

选项 A、after
B、behind
C、until
D、toward

答案A

解析 考查介词辨析。综合下文可知,本段主要是在将1993年时电子商务的发展情况与十年后作比较,由此可以排除C、D两项。表示在某个时间之后,应该用介词after,表示在某个物体之后.用介词behind,故本题正确答案为A.after。
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